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Consists of medulla, pons, and midbrain
Mendulla and Pons
involving in maintaining balance, and regulating heart rate and breathing.
Involved in modulation of mortor activity
relay station of the brain, directs signals passing between the body and the brain
important for balance, coordination, and preplanned actions
reponsible for executing planned actions
regulates the internal enviroment of the body by contolling the autonomic NS. controls hormone levels, and drive states (hunger,thirst)
involved in emotion regulation and fear
important for memory, especially forming new memories, and spatial memories (giving directions)
- divided into two hemisphere
- contralaterally organized: information from the right side of body is processed on the left and vice versa.
band of tissue that connects the two hemispheres and allows them to communicate.
Primary Sensory Areas
Primary visual cortex, primary auditory cortex, somatosensory cortex
sends signals to the motor neurons, controls motion
integrate sensory information to perform complex functions
adjacent portions of cortex control adjacent body parts (dovoted more to areas with more sensitivity)
- involved in motion and higher order cognition, such as reasoning, planning, and language production
- also involved in mood and personality
- notable areas: prefrontal cortex, morotor cortex, broca's area
- important for touch sensation, perception, orbject recognition, and number representation
- notable area: Somatosensory cortex
- imporatant for auditory sensation, understanding language, and storing autobiographical memory
- notable areas; primary auditory cortex, wernicke's area
- important for vision
- notable area: primary visual cortex
Aphasias: Broca's aphasia and Werninickes aphasia
- Broca's Aphasia: inablilty to produce speech
- Wernickes aphasia: inability to comprehend speech
some funtions are only processed by one hemisphere